code: def load_punctuation_marks():
      """Punctuation marks of six French writers."""
      return pd.read_csv(
          DATASETS_DIR / "punctuation_marks.csv", index_col="author"
      )
  
file_path: prince/prince/datasets.py
imports: from __future__ import annotations
  import pathlib
  import pandas
label_desc: Use image node_id 4 for calling a global function with example usage: load_punctuation_marks() and returns: pd